皮皮学,免费搜题
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搜题
【单选题】
两定法测定阿司匹林片或阿司匹林肠溶片时,第一定反应的作用是( )
A.
测定阿司匹林含量
B.
消除共存酸性物质的干扰
C.
使阿司匹林反应完全
D.
便于观测终点
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举一反三
【多选题】绩效管理的目的包括():
A.
沟通目的
B.
战略目的
C.
管理目的
D.
开发目的
E.
经济目的
【单选题】Henry is so arrogant after being promoted president of the company _______ accept the invitation to his former coworker's wedding.
A.
in order to
B.
as to
C.
as to not
D.
as not to
【判断题】如果负载加上时电压下降至空载电压的50%左右,且电机有吱吱声,换向器与电刷间火花较大,则可能是换向绕组结反,也可能是部分电枢绕组短路。
A.
正确
B.
错误
【多选题】绩效管理是为了达成以下哪些方面的目的( )
A.
战略目的
B.
管理目的
C.
加薪目的
D.
开发目的
【单选题】What will Mr. Simpson probably do after being asked all the questions by the policeman?
A.
Meet his wife in the hospital.
B.
Take his wife to hospital by taxi.
C.
Write a written statement to the police.
D.
Have his damaged car repaired.
【单选题】After being informed of the latest cost projections, Kington
A.
asked his staff to report on the latest cost figures.
B.
asked Claude Lenfant to resume his post in NIH.
C.
decided that NIH would end the pilot until costs are reevaluated.
D.
agreed that NIH would take a while to amend the project.
【判断题】如果负载加上时电压下降至空载电压的50%左右,且电机有吱吱声,换向器与电刷之间火花较大,则可能是由部分电枢绕组短路。
A.
正确
B.
错误
【判断题】如果负载加上时电压下降至空载电压的50%左右,且电机有吱吱声,换向器与电刷间火花较大,则可能是换向绕组接反。
A.
正确
B.
错误
【判断题】如果负载加上时电压下降至空载电压的50%左右,且电机有吱吱声,换向器与点刷间火花较大,则可能是换向绕组接反。
A.
正确
B.
错误
【判断题】如果负载加上时电压下降至空载电压的50%左右,且电机有吱吱声,换向器与电刷间火花较大,则可能是有部分电枢绕组短路。
A.
正确
B.
错误
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